Prehnite 4mm Round Faceted AA Grade - 15-16 Inch Origin_Dominican Republic It also assists in setting

It also assists in setting a pace and staying with that pace all day long

The antibacterial properties of shungite have been confirmed by modern testing

Madagascar Agate is highly regarded as a Dream Stone

occasionally mingled with rust-brown

black biotite

Prehnite 4mm Round Faceted AA Grade - 15-16 Inch Origin_Dominican Republic It also assists in settingPrehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South Africa in 1774. Prehnite is translucent to transparent, in colors from light green to yellow green to olive, with occasional inclusions of Black Tourmaline that crisscross the stone in fibrous patterns. It is a phyllosilicate composed of silicon, calcium and aluminum with trace amounts of iron.